Search Results - "Rossignol, Jean‐Luc"

Eukaryotic DNA methylation as an evolutionary device by Colot, Vincent, Rossignol, Jean-Luc

“…DNA methylation is catalyzed by a family of conserved DNA methyltransferases and is widespread among protists, plants, fungi and animals. It is however absent…”
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Novel relationships among DNA methylation, histone modifications and gene expression in Ascobolus by Barra, José L., Holmes, Allyson M., Grégoire, Annie, Rossignol, Jean‐Luc, Faugeron, Godeleine

“…Summary By studying Ascobolus strains methylated in various portions of the native met2 gene or of the hph transgene, we generalized our previous observation…”
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Masc2, a gene from Ascobolus encoding a protein with a DNA-methyltransferase activity in vitro, is dispensable for in vivo methylation by Malagnac, F, Gregoire, A, Goyon, C, Rossignol, J.L, Faugeron, G

“…We have shown previously that masc1, a gene encoding a putative C5‐DNA‐methyltransferase (MTase), was necessary for the de novo‘Methylation Induced…”
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Suppression of crossing-over by DNA methylation in Ascobolus by Maloisel, L, Rossignol, J L

“…Homologous recombination between dispersed DNA repeats creates chromosomal rearrangements that are deleterious to the genome. The methylation associated with…”
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Histone H1 is dispensable for methylation-associated gene silencing in Ascobolus immersus and essential for long life span by Barra, J L, Rhounim, L, Rossignol, J L, Faugeron, G

“…A gene encoding a protein that shows sequence similarity with the histone H1 family only was cloned in Ascobolus immersus. The deduced peptide sequence…”
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Interchromosomal Transfer of Epigenetic States in Ascobolus: Transfer of DNA Methylation Is Mechanistically Related to Homologous Recombination by Colot, Vincent, Maloisel, Laurent, Rossignol, Jean-Luc

“…The transfer of methylation between alleles represents a plausible epigenetic mutational mechanism to explain loss of imprinting in mammals and paramutation in…”
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Extensive, nonrandom diversity of excision footprints generated by Ds-like transposon Ascot-1 suggests new parallels with V(D)J recombination by Colot, V, Haedens, V, Rossignol, J L

“…Upon insertion, transposable elements can disrupt or alter gene function in various ways. Transposons moving through a cut-and-paste mechanism are in addition…”
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Native DNA repeats and methylation in Ascobolus by Goyon, C, Rossignol, J.L, Faugeron, G

“…We identified two classes of native dispersed DNA repeats in the Ascobolus genome. The first class consisted of several kilobase long, methylated repeats…”
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Molecular cloning and characterization of the met2 gene from Ascobolus immersus by Goyon, C, Faugeron, G, Rossignol, J L

“…We have cloned the met2 gene from Ascobolus immersus by heterologous hybridization with the MET2 gene of Saccharomyces cerevisiae. This gene codes for the…”
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Methylation Induced Premeiotically in Ascobolus: Coextension with DNA Repeat Lengths and Effect on Transcript Elongation by Barry, Caroline, Faugeron, Godeleine, Rossignol, Jean-Luc

“…The effect of duplications of gene fragments on the triggering of DNA methylation induced premeiotically (MIP) was studied in the sexual progeny of strains…”
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The MET2 gene of Saccharomyces cerevisiae: molecular cloning and nucleotide sequence by Langin, T, Faugeron, G, Goyon, C, Nicolas, A, Rossignol, J L

“…A 5.1-kb DNA fragment from Saccharomyces cerevisiae, which complements a yeast met2 mutant strain, has been cloned. This fragment contains the wild-type MET2…”
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A Gene Essential for De Novo Methylation and Development in Ascobolus Reveals a Novel Type of Eukaryotic DNA Methyltransferase Structure by Malagnac, Fabienne, Wendel, Birgit, Goyon, Christophe, Faugeron, Godeleine, Zickler, Denise, Rossignol, Jean-Luc, Noyer-Weidner, Mario, Vollmayr, Peter, Trautner, Thomas A, Walter, Jörn

“…Molecular mechanisms determining methylation patterns in eukaryotic genomes still remain unresolved. We have characterized, in Ascobolus, a gene for de novo…”
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Histone H1 Is Dispensable for Methylation-Associated Gene Silencing in Ascobolus immersusand Essential for Long Life Span by Barra, Jose L., Rhounim, Laïla, Rossignol, Jean-Luc, Faugeron, Godeleine

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Extensive, Nonrandom Diversity of Excision Footprints Generated by Ds-Like Transposon Ascot-1Suggests New Parallels with V(D)J Recombination by Colot, Vincent, Haedens, Vicki, Rossignol, Jean-Luc

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Methylation of DNA repeats of decreasing sizes in Ascobolus immersus by Goyon, C, Barry, C, Grégoire, A, Faugeron, G, Rossignol, J L

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Mechanisms for homologous recombination by NICOLAS, ALAIN, ROSSIGNOL, JEAN-LUC

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Disparity of gene conversion in frameshift mutants located in locus b2 of Ascobolus immersus [Fungi] by Rossignol, J.L, Paquette, N

“…The frequency of conversion and the disparity in the direction of conversion were studied for six frameshift mutants lying in locus b2 of Ascobolus immersus…”
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Novel relationships among DNA methylation, histone modifications and gene expression in Ascobulus by Barra, José L., Holmes, Allyson M., Grégoire, Annie, Rossignol, Jean-Luc, Faugeron, Godeleine

“…By studying Ascobolus strains methylated in various portions of the native met2 gene or of the hph transgene, we generalized our previous observation that…”
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Epimutation of repeated genes in Ascobolus immersus by Rhounim, L., Rossignol, J.L., Faugeron, G.

“…Ascobolus immersus artificial gene repeats were shown previously to be subject premeiotically to both cytosine methylation and inactivation. We studied sexual…”
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Isolation of the Ascobolus immersus spore color gene b2 and study in single cells of gene silencing by methylation induced premeiotically by Colot, V, Rossignol, J. L

“…The ascomycete Ascobolus immersus has been extensively used as a model system for the genetic study of meiotic recombination. More recently, an epigenetic…”
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